http://www.cnr.it/ontology/cnr/individuo/prodotto/ID39505
Interferometric measurement of the tip oscillation amplitude in apertureless near-field optical microscopy (Articolo in rivista)
- Type
- Label
- Interferometric measurement of the tip oscillation amplitude in apertureless near-field optical microscopy (Articolo in rivista) (literal)
- Anno
- 2005-01-01T00:00:00+01:00 (literal)
- Alternative label
Gucciardi, PG; Bachelier, G; Mlayah, A; Allegrini, M (2005)
Interferometric measurement of the tip oscillation amplitude in apertureless near-field optical microscopy
in Review of scientific instruments
(literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- Gucciardi, PG; Bachelier, G; Mlayah, A; Allegrini, M (literal)
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- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
- Rivista
- Note
- ISI Web of Science (WOS) (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- CNR, Ist Proc Chimicofis, I-98123 Messina, Italy
Univ Toulouse 3, Phys Solides Lab, F-31062 Toulouse, France
Univ Pisa, Dipartimento Fis, INFM, I-56126 Pisa, Italy (literal)
- Titolo
- Interferometric measurement of the tip oscillation amplitude in apertureless near-field optical microscopy (literal)
- Abstract
- We have implemented an optical homodyne interferometer to measure the tip oscillation amplitude in apertureless near-field optical microscopy. The setup is fully embedded in the microscope's design, avoiding the presence of external arms. Our method is based on the synchronous detection of the interference between the fields reflected by the tip and a glass sample surface, while scanning the tip-sample distance over a few wavelengths. With the help of a simple model, we show how the different interference terms arising at frequencies multiple of the tip oscillation can be exploited to easily achieve sub-Angstrom resolution. (literal)
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